973664353 has 4 divisors (see below), whose sum is σ = 978279088. Its totient is φ = 969049620.

The previous prime is 973664347. The next prime is 973664381. The reversal of 973664353 is 353466379.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 973664353 - 2¹³ = 973656161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (973664333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2307051 + ... + 2307472.

It is an arithmetic number, because the mean of its divisors is an integer number (244569772).

Almost surely, 2^973664353 is an apocalyptic number.

It is an amenable number.

973664353 is a deficient number, since it is larger than the sum of its proper divisors (4614735).

973664353 is a wasteful number, since it uses less digits than its factorization.

973664353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4614734.

The product of its digits is 1224720, while the sum is 46.

The square root of 973664353 is about 31203.5951935029. The cubic root of 973664353 is about 991.1432403904.

The spelling of 973664353 in words is "nine hundred seventy-three million, six hundred sixty-four thousand, three hundred fifty-three".